package com.itheima.tlias84.service;

import com.itheima.tlias84.entity.Stu;

import java.util.List;

public interface StuService {

    int insertStu(Stu student);

    int deleteStuById(Integer id);

    int updateStuById(Stu student);

    Stu selectStuById(Integer id);

    List<Stu> selectAllStu();

    int batchDelete(List<Integer> ids);

    int insertStuBatch(List<Stu> list);
}
